Z-Wave MCO Occupancy Sensor
Works with your system
Based on manufacturer compatibility lists, our own tests and shared wireless standards.
See all controllers (8)
- Aeotec Smart Home Hub (SmartThings) Works by standard
- Hubitat Elevation (C-8, C-8 Pro) Works by standard
- Homey Pro Works by standard
- Home Assistant Works by standard
- Fibaro Home Center 3 Works by standard
- Fibaro Home Center 3 Lite Works by standard
- Nice Yubii Home Pro Works by standard
- Nice Yubii Home Works by standard
Compatibility Guarantee If it doesn't work with your system, return it within 30 days for a refund.
You'll also need
Home Assistant needs a Z-Wave adapter (usually a USB stick) to talk to Z-Wave devices; skip this if your Home Assistant box already has one.
Needed with: Home Assistant
Fast Tracked EU Delivery
Fast Tracked EU Delivery
Tracked delivery in 3–7 working days, with courier and express options at checkout.
VAT and any import duty are paid at checkout, so there's nothing to pay on delivery.
In-stock items ordered before 2:30pm (UK time) ship the same working day.
Smart Home Experts - On Demand
Smart Home Experts - On Demand
Transform your home into a smart one with us, and gain more than just a product.
You'll have access to our dedicated team of experts and a wealth of guides, ensuring you're well-equipped to handle any technical challenges.
Compatibility Guarantee
Compatibility Guarantee
If Z-Wave MCO Occupancy Sensor doesn't work with your existing system, you can return it within 30 days for a refund under our returns policy.
Request the return from your account and we'll send you an RMA number and instructions.
Summary
The OS11 Z-Wave occupancy sensor uses 24 GHz Doppler technology to detect human presence, including subtle movements and breathing. It integrates smoothly with Z-Wave controllers to automate lights, alarms, and other devices. Offering reliable detection up to 8 meters and fast response, it works well in various environments and supports secure, low-power operation with direct device activation via an internal relay.
Advanced Z-Wave Human Presence Sensor
This advanced Z-Wave occupancy sensor uses 24GHz millimeter-wave Doppler technology to accurately detect human presence, distinguishing between motion, minor movements, and even breathing patterns. It interacts seamlessly with lights, blinds, fans, air conditioners, security alarms, and other electrical appliances through your home automation network. Suitable for homes, holiday rentals, hotels, offices, and various other environments, it remains unaffected by temperature, humidity, noise, airflow, dust, or light conditions.
Compatible with any Z-Wave network and certified devices, the sensor also features an internal relay that allows direct activation of connected equipment without additional controllers.

Detection Range and Operating Areas
The sensor features a horizontal beam angle of up to 80° (3 dB) and a vertical beam angle of up to 85°, providing high accuracy and a wide detection range. Presence or absence is detected with a switching time of under 0.5 seconds.
The maximum detection range for movement presence covers a diameter of 5 to 8 meters, while minor presence detection extends to a diameter of 3 to 4 meters.

Technical Overview: OS11 Presence Sensor
The OS11 model uses 24 GHz Doppler radar technology and communicates via Z-Wave Plus (800 series) with S2 Security. It operates on 90–250 V AC, with an optional 12 V DC version available. The relay output supports up to 5 A.
Detection ranges include breathing within 2–3 meters, micro-motion within 3–4 meters, and large motion within 5–8 meters. It has a detection angle of up to 85° vertical and 80° horizontal, with a response time under 0.5 seconds.
RF transmission power is up to +13 dBm with ultra-low emissions. The device works in temperatures from –10 to +50 °C and humidity levels of 20–85% RH (non-condensing). Its dimensions are 85 × 85 × 41 mm.

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Device Type
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Channels1
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Load Rating5A
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Sensor FeaturesMotion
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FeaturesAC Powered, Dry Contact Output
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TechnologyZ-Wave Plus V2, Z-Wave 800 Series
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Z-Wave Region
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Operating Temperature
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Operating Humidity
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Dimensions
Helpful guides for this product
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Complete Home Automation Guide: Systems, Devices & Setup for BeginnersWhat a smart home is, the first decisions to make, a sensible first kit and mistakes to avoid.
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Smart Home Sensors Guide: 9 Types for Complete Home MonitoringNine sensor types explained, PIR vs mmWave, placement, battery life and what to automate.
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Smart Home Security: Sirens, Doorbells, Locks & Alarms (Zigbee, Z-Wave & WiFi)Sensors, sirens, doorbells, smart locks and arming modes, and how they differ from a monitored alarm.
Manuals
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Frequently Asked Questions
What if it's incompatible with my existing smart home system?
What if it's incompatible with my existing smart home system?
If you try Z-Wave MCO Occupancy Sensor and find it isn't compatible with your system, you can return it within 30 days for a refund.
How can I get technical support for it?
How can I get technical support for it?
Our team of experts is available to assist you with any technical questions you may have via email and live chat.
Do you offer installation services?
Do you offer installation services?
While we don't offer direct installation services, we provide comprehensive online support through guides, videos, and access to our experts via email and chat. If you need an installer, we can often help connect you. With advancements in smart home tech, most of our products can be self-installed with guidance.
What if I struggle with installing or using after purchase?
What if I struggle with installing or using after purchase?
We have experts who frequently use these products in their own homes, and they are well-acquainted with the ins and outs. This means we can provide unparalleled guidance and troubleshooting. You won't find this level of hands-on expertise at any other store.
How quickly will I receive my order?
How quickly will I receive my order?
Orders placed before 2:30pm on a working day are dispatched the same day. In the UK, Standard delivery takes 2 to 4 working days and Express is a next-day service. If your order includes a Vesternet device, choose Standard at checkout and we upgrade the whole order to next-day at no extra cost. For orders outside the UK, delivery options and times are shown at checkout.
Why should I choose to buy from Vesternet over other online stores?
Why should I choose to buy from Vesternet over other online stores?
When you buy from Vesternet, you're not just purchasing a product. You gain a partner with expertise in smart home technology. Our team is on-hand to assist with setup and provide valuable advice. While there might be cheaper options online, home automation can be complex, and having experts by your side can prevent costly mistakes.
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